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HD 23472 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 23472 b

Confirmed exoplanet · Super Earth

HD 23472 b

Orbiting HD 23472

Discovered in 2019 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of HD 23472 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 2 R⊕
Mass: 8.32 M⊕
Orbit: 17.667087 days
Distance: 39.0341 pc

Planet profile

Orbit and physical properties

Orbital period: 17.667087 days
Semi-major axis: 0.1162 AU
Eccentricity: 0.072
Radius: 2 Earth radii
Mass: 8.32 Earth masses
Mass provenance: Mass
Density: 6.15 g/cm³
Equilibrium temperature: 543 K
Insolation: 16 Earth flux

Host system

Star and system properties

Host star: HD 23472
Stars in system: 1
Known planets in system: 5
Spectral type: K4 V
Stellar temperature: 4,684 K
Stellar radius: 0.71 R☉
Stellar mass: 0.67 M☉
Stellar metallicity: -0.2 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 39.0341 parsecs
Right ascension: 03h41m50.17s
Declination: -62d46m02.16s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-02
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

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